Security Advisory
CVE-2021-43537
8.8
HIGH
Vulnerability Description
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Published Date
December 8, 2021
Official Source
NIST NVD Advisory